Senior Product Designer

📍 Job Overview

Job Title: Senior Product Designer

Company: Kiefer Tech

Location: Athens, Attica, Greece

Job Type: FULL_TIME

Category: Product Design / UX/UI

Date Posted: 2026-06-26

Experience Level: 4+ Years

Remote Status: Remote OK

🚀 Role Summary

• Spearhead UX/UI design for a portfolio of cutting-edge AI-powered products, leveraging your expertise to shape user experiences.

• Drive product innovation by collaborating closely with Product Managers and Engineering teams throughout the feature delivery lifecycle.

• Ensure high-quality design output by creating clear, implementation-ready designs and contributing to robust design systems and reusable component libraries.

• Enhance product usability and consistency by identifying and implementing design improvements across multiple AI products.

• Play a key role in accelerating product iteration cycles through efficient and effective design processes.

📝 Enhancement Note: Given the company's focus on AI, LLMs, and enterprise solutions, this Senior Product Designer role will likely involve complex user flows, data visualization, and interaction design for sophisticated applications. The emphasis on "high ownership" and "scaling design output" suggests a need for a candidate who can operate independently and contribute to establishing design best practices within a growing team.

📈 Primary Responsibilities

• Design intuitive and engaging user interfaces (UI) and user experiences (UX) for a range of AI-powered products, ensuring alignment with user needs and business objectives.

• Translate complex product requirements into detailed wireframes, mockups, and interactive prototypes for both new features and enhancements.

• Collaborate cross-functionally with Product Managers to define product strategy, user stories, and feature specifications from a design perspective.

• Partner with Software Engineers to ensure accurate and efficient implementation of designs, providing detailed specifications and assets.

• Conduct user research, usability testing, and gather feedback to iterate on designs and continuously improve product usability and user satisfaction.

• Develop and maintain a comprehensive design system, including style guides, UI components, and design patterns, to ensure consistency and scalability across the product suite.

• Contribute to the strategic direction of product design, advocating for user-centered design principles and best practices within the organization.

📝 Enhancement Note: The responsibilities highlight a need for a designer who can manage multiple design projects concurrently, balancing strategic thinking with tactical execution. The mention of "scaling design output" implies a proactive approach to establishing and refining design processes and frameworks, rather than just executing individual tasks.

🎓 Skills & Qualifications

Education: A Bachelor's or Master's degree in Design, Human-Computer Interaction (HCI), Computer Science, or a related field is often preferred, though not explicitly stated. Equivalent practical experience will be strongly considered.

Experience: Minimum of 4 years of progressive experience in Product Design, UX/UI Design, or a similar role, with a proven track record of delivering high-quality digital products.

Required Skills:

• Demonstrated expertise in User Experience (UX) thinking and a structured, analytical approach to problem-solving.

• High proficiency in design and prototyping tools, specifically Figma, or comparable industry-standard software (e.g., Sketch, Adobe XD).

• Proven ability to manage multiple competing priorities and projects effectively in a fast-paced environment.

• Strong experience collaborating closely with engineering teams, understanding technical constraints, and facilitating smooth design implementation.

• A practical, delivery-oriented mindset with a focus on producing actionable designs that drive development forward.

• Excellent communication and interpersonal skills, with the ability to articulate design decisions and collaborate effectively with stakeholders. Preferred Skills:

• Prior experience designing products specifically powered by Artificial Intelligence (AI), including familiarity with AI concepts and workflows.

• Experience with Large Language Model (LLM) interfaces, understanding the unique design challenges and opportunities they present.

• Background in designing enterprise-level or Business-to-Business (B2B) products, demonstrating an understanding of complex user needs and business requirements.

• Familiarity with design systems and experience contributing to their development and maintenance.

• Experience with user research methodologies and usability testing.

📝 Enhancement Note: The "nice to have" section strongly suggests that experience with AI and LLM interfaces is a significant advantage, pointing towards the company's core product development focus. Candidates with B2B/enterprise design experience will likely find common ground with the company's client base.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Showcase a minimum of 3-5 comprehensive case studies demonstrating your product design process from conception to launch.

• Clearly articulate your role and contributions within each project, emphasizing problem definition, user research, ideation, wireframing, prototyping, and final UI design.

• Highlight your structured problem-solving approach and how you applied UX thinking to address specific user pain points or business challenges.

• Provide evidence of your proficiency with design tools like Figma, including examples of complex interfaces, interactive prototypes, or design system components.

• Demonstrate your ability to deliver implementation-ready designs, showing how you collaborated with engineering teams and provided necessary assets and specifications. Process Documentation:

• Illustrate your design process for AI-powered products, detailing how you approached user flows, data interaction, and potential ethical considerations.

• For B2B or enterprise projects, showcase how you translated complex business requirements into user-friendly solutions, including stakeholder management.

• Present examples of how you contributed to or maintained design systems, detailing your approach to creating reusable components and ensuring consistency.

• Document how you iterated on designs based on user feedback, usability testing, or A/B testing results, showing measurable improvements.

📝 Enhancement Note: For this Senior Product Designer role, the portfolio should not only display aesthetic design skills but also a deep understanding of the product development lifecycle, problem-solving methodologies, and collaborative processes. Emphasis on AI/LLM projects, if available, will be highly beneficial.

💵 Compensation & Benefits

Salary Range: €40,000 - €55,000 per year.

Benefits:

• High ownership and autonomy: The opportunity to take significant responsibility for design outcomes and make impactful decisions.

• Exposure to multiple product areas: Gain broad experience across diverse AI products within the Kiefer Tech portfolio.

• Opportunity to grow with a scaling product team: Be part of a growing team with potential for career advancement and professional development.

• Work on real AI products with tangible impact: Contribute to innovative AI solutions that drive business value.

• Fast-paced environment with quick iterations: Experience a dynamic work setting that encourages continuous improvement and rapid development.

Working Hours: Standard full-time hours are expected, likely around 40 hours per week, with potential for flexibility given the remote nature of the role.

📝 Enhancement Note: The provided salary range is a good starting point for a Senior Product Designer in Athens, Greece. The benefits listed are common for tech roles and emphasize growth and impact. For a more precise estimate, considering the specific experience level (4+ years with AI/LLM experience), the upper end of the range is more likely. Researching similar Senior Product Designer roles in Athens with AI/B2B focus on platforms like LinkedIn or Glassdoor can offer additional benchmarks.

🎯 Team & Company Context

🏢 Company Culture

Industry: Technology, Artificial Intelligence, Robotics, Enterprise Solutions, Green Energy. Kiefer Tech is leveraging its heritage in Green Energy to build advanced AI infrastructure and LLMs, distinguishing itself by focusing on sovereign AI solutions within the EU.

Company Size: Likely a growing mid-sized company, given the need to scale design output and a "scaling product team." This offers a balance between established processes and the agility of a startup.

Founded: Kiefer Tech is the technology arm of Kiefer, which has over 12 years of engineering heritage. This indicates a foundation of technical expertise and market presence.

Team Structure:

• The product design function appears to be scaling, suggesting a small but growing team of designers.

• Designers will likely report to a Head of Product, Design Lead, or Product Manager, depending on the specific team structure.

• Close collaboration is expected with Product Managers and Engineers, indicating a cross-functional, agile team environment. Methodology:

• Emphasis on innovation, quality, and long-term client partnerships.

• Building sovereign AI infrastructure and Greek Large Language Models.

• Strategic collaboration with NVIDIA, integrating sustainable infrastructure with AI technology.

• Focus on delivering tangible business impact through intelligent automation and AI solutions.

Company Website: https://kiefer.gr/

📝 Enhancement Note: Kiefer Tech's unique positioning at the intersection of Green Energy, AI, and data sovereignty within the EU is a significant differentiator. This suggests a company culture that values cutting-edge technology, ethical data practices, and impactful innovation.

📈 Career & Growth Analysis

Operations Career Level: This role is positioned as a Senior Product Designer. This typically means taking ownership of significant product areas, mentoring junior designers, and contributing to the strategic direction of the design function. It implies a high degree of autonomy and responsibility.

Reporting Structure: The Senior Product Designer will likely report to a Product Manager or a Design Lead if one exists. They will work closely with engineering teams and potentially other cross-functional stakeholders.

Operations Impact: The Senior Product Designer will have a direct impact on the usability, adoption, and success of Kiefer Tech's AI-powered products. By creating intuitive and effective user experiences, they will contribute to customer satisfaction, product adoption rates, and ultimately, business growth and revenue. Their ability to speed up iteration cycles also directly impacts the company's ability to respond to market demands and stay competitive.

Growth Opportunities:

• Leadership Development: Potential to grow into a Design Lead or Head of Design role as the product team scales.

• Specialization: Deepen expertise in AI/LLM product design, becoming a subject matter expert in this rapidly evolving field.

• Cross-functional Exposure: Gain experience working across various product streams and collaborating with different engineering and product teams.

• Strategic Contribution: Influence product strategy and design vision, contributing to the company's overall technological direction.

📝 Enhancement Note: The role offers a strong foundation for growth within a specialized and high-demand area of technology. The emphasis on a "scaling product team" suggests that individuals who perform well can expect significant opportunities for advancement and increased responsibility.

🌐 Work Environment

Office Type: The role is listed as TELECOMMUTE with a primary location in Athens, Greece. This suggests a remote-first or hybrid model, where employees can work from home with potential for occasional in-person meetings or collaboration sessions at an office in Athens.

Office Location(s): Athens, Attica, Greece. This indicates a physical presence in Greece, which is relevant for team meetups, client interactions, or if the company maintains a central office space.

Workspace Context:

• Remote Flexibility: The ability to work remotely provides a flexible work-life balance, allowing designers to set up their ideal workspace.

• Collaborative Tools: Expect to utilize online collaboration tools (e.g., Slack, Zoom, Miro, Figma) extensively for communication and teamwork.

• AI-Centric Environment: Working with AI products means the environment will likely be technologically advanced, with access to cutting-edge tools and methodologies.

Work Schedule: Full-time, likely adhering to standard business hours in Greece (CET/EET) for team synchronization, but with the flexibility afforded by a remote role.

📝 Enhancement Note: While remote, candidates might be expected to be available during core Greek business hours for seamless collaboration with local teams and potentially clients. The remote aspect is a significant draw for work-life balance and geographical flexibility within Greece.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: A brief call with HR or a recruiter to assess basic qualifications, cultural fit, and interest.

• Portfolio Review & Design Challenge: A session where you present your portfolio, discussing your process, key projects, and problem-solving skills. This might be followed by a take-home design challenge or an in-person/virtual whiteboard exercise focused on a specific design problem relevant to Kiefer Tech's products.

• Team / Stakeholder Interviews: Meetings with Product Managers, Engineers, and potentially other designers to assess collaboration style, technical understanding, and product thinking.

• Final Interview: A discussion with senior leadership or the hiring manager to finalize the decision, focusing on strategic fit and long-term potential.

Portfolio Review Tips:

• Focus on Process: Clearly articulate your design process for each case study, emphasizing how you moved from problem identification to solution.

• Highlight AI/LLM Experience: If you have experience with AI or LLM interfaces, make these projects prominent. Explain the unique challenges and how you addressed them.

• Showcase Figma Proficiency: Demonstrate your skills with Figma through interactive prototypes, complex component examples, or a well-structured design system.

• Quantify Impact: Where possible, include metrics or outcomes that demonstrate the positive impact of your designs (e.g., improved conversion rates, reduced task completion time, increased user satisfaction).

• Tailor to Kiefer Tech: Research Kiefer Tech's products and values. Highlight projects that align with their focus on AI, enterprise solutions, and innovation.

Challenge Preparation:

• Understand the Domain: Familiarize yourself with AI, LLMs, and enterprise software. Think about common user needs and pain points in these areas.

• Practice Problem-Solving: Be ready to break down a complex problem into smaller, manageable parts and articulate your thought process.

• Design System Thinking: Prepare to discuss how you would approach building or contributing to a design system for AI products.

• Collaboration Scenarios: Anticipate questions about how you collaborate with engineers and product managers to ensure successful product launches.

📝 Enhancement Note: The interview process is likely to be thorough, assessing both design craft and strategic thinking. A strong portfolio that highlights AI/LLM experience and a clear, structured design process will be crucial.

🛠 Tools & Technology Stack

Primary Tools:

• Figma: Essential for UI design, wireframing, prototyping, and collaboration. Candidates must be proficient.

• Other Design/Prototyping Tools: Familiarity with Sketch, Adobe XD, InVision, or similar is beneficial but Figma is highlighted as primary.

• Collaboration Tools: Slack (communication), Zoom (meetings), Miro (whiteboarding and brainstorming).

Analytics & Reporting:

• While not explicitly mentioned, expect to interact with product analytics tools (e.g., Google Analytics, Mixpanel, Amplitude) to understand user behavior and inform design decisions. CRM & Automation:

• The company's focus on enterprise solutions might involve integration with CRM systems (e.g., Salesforce, HubSpot) or automation platforms, though direct designer involvement might be limited. Understanding how designs fit into broader business workflows is key.

📝 Enhancement Note: Proficiency in Figma is non-negotiable. The role implies working with modern digital product development tools and methodologies, with a strong emphasis on collaborative workflows.

👥 Team Culture & Values

Operations Values:

• Innovation: A drive to explore new technologies, particularly in AI and LLMs, and apply them to create novel solutions.

• Quality: A commitment to delivering enterprise-grade products with high standards of design, performance, and reliability.

• Long-term Client Partnerships: A focus on building trust and delivering sustained value to clients, implying user-centricity and reliability.

• Technological Sovereignty: A commitment to building AI infrastructure within the EU, respecting data privacy and regional regulations.

• Impact: A desire to create tangible business impact through AI and automation solutions.

Collaboration Style:

• Cross-functional Integration: Expect close collaboration with Product Managers and Engineers, likely in an agile, iterative environment.

• Data-Driven Design: Decisions will likely be informed by user data, analytics, and performance metrics.

• Open Communication: A culture that encourages open feedback, constructive critique, and knowledge sharing to foster continuous improvement.

📝 Enhancement Note: The company's values suggest a culture that is forward-thinking, technically rigorous, and client-focused. Designers are expected to be collaborative, user-advocates, and contributors to innovation.

⚡ Challenges & Growth Opportunities

Challenges:

• Designing for AI/LLMs: Navigating the complexities and evolving landscape of AI interfaces, including user trust, explainability, and managing user expectations.

• Balancing Multiple Products: Effectively managing design bandwidth and ensuring consistency across a diverse portfolio of AI-powered products.

• Rapid Iteration: Adapting to a fast-paced environment that requires quick design cycles and continuous iteration based on feedback.

• Establishing Design Systems: Contributing to or building new design systems for AI products, which may have unique UI/UX patterns.

Learning & Development Opportunities:

• Deep Dive into AI/LLM Design: Become an expert in designing for cutting-edge AI technologies.

• Strategic Design Influence: Contribute to product strategy and roadmap planning, shaping the future of Kiefer Tech's AI offerings.

• Mentorship: Opportunities to mentor junior designers as the team grows.

• Industry Exposure: Potential to work with NVIDIA technologies and stay at the forefront of AI innovation.

📝 Enhancement Note: This role presents a significant opportunity for professional growth in the rapidly expanding field of AI product design. The challenges are directly tied to the exciting and innovative nature of the company's work.

💡 Interview Preparation

Strategy Questions:

• "Describe your process for designing a complex AI-powered feature, from initial concept to implementation." (Focus on structured problem-solving, user research, and collaboration.)

• "How do you ensure consistency and usability across multiple products in a growing portfolio?" (Highlight your experience with design systems, pattern libraries, and cross-functional communication.)

• "Walk us through a challenging product design project where you had to balance user needs with technical constraints or business goals. What was your approach, and what was the outcome?" (Use a STAR method for a specific, impactful project.) Company & Culture Questions:

• "What interests you about Kiefer Tech's focus on sovereign AI infrastructure and Greek LLMs?" (Showcase your research and align your interests with their mission.)

• "How do you see your role contributing to our values of innovation, quality, and long-term partnerships?" (Connect your design philosophy to their core values.)

• "Describe your experience working in a fast-paced, iterative product development environment." (Emphasize adaptability, efficiency, and a results-oriented mindset.) Portfolio Presentation Strategy:

• Structure is Key: Begin with a high-level overview of the project and your role, then dive into the problem, your process, your solutions, and the outcomes.

• Visual Storytelling: Use mockups, wireframes, and prototypes effectively to illustrate your design decisions. Explain the 'why' behind your choices.

• Highlight AI/LLM Specifics: If applicable, detail how you approached unique AI/LLM design challenges (e.g., data input/output, prompt engineering interfaces, AI feedback loops).

• Quantify Results: Present metrics and user feedback that demonstrate the success and impact of your designs.

• Be Ready for Design Exercises: Prepare to sketch out solutions to hypothetical problems related to AI products or design systems.

📝 Enhancement Note: Interview preparation should focus on demonstrating not just design skills, but also strategic thinking, a deep understanding of the AI product landscape, and strong collaborative capabilities. Tailoring your portfolio and responses to Kiefer Tech's specific mission and values will be critical.

📌 Application Steps

To apply for this Senior Product Designer position:

• Submit your application through the provided link on Ashby.

• Tailor your Resume: Highlight your 4+ years of product design experience, proficiency in Figma, and any experience with AI, LLMs, or B2B enterprise products. Use keywords from the job description.

• Curate Your Portfolio: Select 3-5 of your strongest case studies that best demonstrate your UX thinking, problem-solving skills, Figma expertise, and ideally, your experience with complex or AI-related products. Ensure clear articulation of your process and impact.

• Prepare Your Portfolio Presentation: Practice walking through your selected case studies, focusing on your strategic approach, design decisions, and quantifiable results. Be ready to discuss your experience with AI/LLM interfaces.

• Research Kiefer Tech: Understand their mission, products (especially their AI infrastructure and LLMs), and values. Prepare to discuss why you are a good fit for their company culture and technological focus.

⚠️ Important Notice: This enhanced job description includes AI-generated insights and operations industry-standard assumptions. All details should be verified directly with the hiring organization before making application decisions.